/*-
 * Copyright (c) 1990, 1993
 *	The Regents of the University of California.  All rights reserved.
 * 
 * Portions copyright (c) 1999, 2000
 * Intel Corporation.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 * 
 *    This product includes software developed by the University of
 *    California, Berkeley, Intel Corporation, and its contributors.
 * 
 * 4. Neither the name of University, Intel Corporation, or their respective
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS, INTEL CORPORATION AND
 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS,
 * INTEL CORPORATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

// wide character version
// efi/lib/libc/wchar/wrmdir.c


#include <efi_interface.h>
#include <sys/param.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <wchar.h>
#include <dirent.h>
#define KERNEL
#include <errno.h>
#undef KERNEL

//
//  Name:
//      wrmdir
//
//  Description:
//      Provide BSD rmdir interface for libc
//
//  Arguments:
//      File path of directory to remove
//
//  Returns:
//      0 if success, otherwise -1
//

int
wrmdir( 
    const wchar_t *filename
    )
{
    DIR		*pDir;
    int		i;

	char _filename[FILENAME_MAX];
	
	wcstombs(_filename, filename, FILENAME_MAX);

    if ( !_filename ) {
        errno = EINVAL;
        return -1;
    }

	/*
	 *  Make sure the directory exists.
	 */
	if ((pDir = opendir( _filename)) == NULL) {
        /*
         *  errno set by opendir()
         */
        return -1;
	}

	/*
	 *  Make sure it is empy
	 */
	for ( i = 0; readdir( pDir ); i++) {
		/*
		 *  only allow '.' and '..'
		 */
		if ( i == 2 ) {
			closedir( pDir );
			errno = ENOTEMPTY;
			return -1;
		}
	}

	closedir( pDir );

	/*
	 *  Remove it.
	 *  errno set by unlink()
	 */
	return ( unlink( _filename ) );
}
